package day3;

import java.util.Scanner;

import org.junit.Test;

public class SwitchDemo {

	@Test
	public void test1() {
		int type = 2;
		switch (type) {
			case 1:
				System.out.println("1");
				break;
			case 2:
				System.out.println("2");
				break;
			case 3:
				System.out.println("3");
				break;
			default:
				System.out.println("default");
				break;
		}
	}
	
	@Test
	public void test2() {
		String gender = "nan";
		switch (gender) {
			case "nan":
				System.out.println("男");
				break;
			case "nv":
				System.out.println("女");
				break;
			default:
				break;
		}
	}
	
//	输入月份、年份判断天数：
//	1、3、5、7、8、10、12  -------- 31天
//	4、6 、9、11--------------------30天
//	2----------------------------------28/29天
	@Test
	public void test55() {
		Scanner scanner = new Scanner(System.in);
		System.out.println("请输入月份：");
		int month = scanner.nextInt();
		switch (month) {
		case 1:
		case 3:
		case 5:
		case 7:
		case 8:
		case 10:
		case 12:
			System.out.println("31天");
			break;
		case 4:
		case 6:
		case 9:
		case 11:
			System.out.println("30天");
			break;
		case 2:
			System.out.println("请输入年份：");
			System.out.println("29天");
			break;
		default:
			System.out.println("default");
			break;
		}
	}
	
	
	
	
}
